42165052 has 12 divisors (see below), whose sum is σ = 75783400. Its totient is φ = 20512656.

The previous prime is 42165041. The next prime is 42165059. The reversal of 42165052 is 25056124.

It is a super-2 number, since 2×42165052² = 3555783220325408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42165059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142302 + ... + 142597.

Almost surely, 2^42165052 is an apocalyptic number.

It is an amenable number.

42165052 is a deficient number, since it is larger than the sum of its proper divisors (33618348).

42165052 is a wasteful number, since it uses less digits than its factorization.

42165052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284940 (or 284938 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 42165052 is about 6493.4622506025. The cubic root of 42165052 is about 348.0574067448.

The spelling of 42165052 in words is "forty-two million, one hundred sixty-five thousand, fifty-two".